his earnings are only half the amount_____,but he feels that his rise in status is well worth the lo
题目
his earnings are only half the amount_____,but he feels that his rise in status is well worth the loss of money.
A.as they used to,B.what they used to be C.they used to be D.of they used tobe.
答案
B.what相当于as many...as
D选项of后面的宾语从句的从属连词不能省略.
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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